Styrene Butadiene Rubber By Shijiazhuang Yibei Chemical Industry Co., Ltd.

Our Styrene Butadiene Rubbers are available with following features:
1, Best price with high quality.
2, Good Toughness and flexibility.
3, Good mechanical properties and file
High Quality SBR

SBR 1Specification Values(GB/T12824-2002)

ItemPropertyTest Method
ABC
Volatile matter %a 0.60a 0.75a 0.90GB/T 6737-1997
Ash %a 0.50GB/T 4498-1997 A
Organic acid %4.50-6.75GB/T 8657-2000 A
Soap %a 0.50
Bound styrene %22.5-24.5GB/T 8658-1998
Mooney viscosity 50ML(1+4)10045-5544-56GB/T 1232.1-2000
Compound 50ML(1+4)100a 93

300%
145MPa,
300%Modulus25minMA 2.0MA 2.5GB/T 8656-1998 A
35min20.6A 2.020.6A 2.5
50min21.5A 2.021.5A 2.5
Tensile strength (145,35min), MPa a Y25.5a Y24.5
Elongation (145,35min),% a Y340a Y330


SBR 2 Specification (SH/T 1626-2005)

ItemPropertyTest Method
ABC
Volatile matter% m/ma 0.60a 0.80a 1.00GB/T 6737-1997
Ash% (m/m)a 0.50GB/T 4498-1997
Organic acid %m/m3.90-5.70GB/T 8657-2000
Soap %m/ma 0.50
Bound styrene% m/m22.5-24.5GB/T 8658-1998
Oil %m/m25.3-29.324.3-30.3SH/T 1718-2002
Mooney viscosity ML(1+4)10044-5443-5542-56GB/T 1232.1-2000
Compound ML(1+4)100a 70GB/T 1232.1-2000 ASTM IRB No.7
300%Modulus (145),MPa25min9.8-13.89.3-14.3GB/T 8656-1998 ASTM IRB No.7
GB/T 528-1998 I
35min12.1-16.111.6-16.6
50min13.0-17.012.5-17.5
145,35min), MPa
Tensile strengtha Y19.4a Y18.4
(145,35min), %
Elongationa Y380a Y370